Soil Formation

Front

Soil is composed of all of these natural materials EXCEPT: weathered rock, plant matter, animal remains, and plastic substances.

Back

plastic substances

Front

Which location would most likely produce soil with the greatest amount of organic matter? Options: A desert with very high temperatures, A prairie with lots of grasses and flowers, A mountain with extremely cold winds, A river with quickly moving water

Back

A prairie with lots of grasses and flowers

Front

Which process contributes to the development of soil?

Back

Breaking down of rock by wind, water, and ice

Front

Plants and animals become part of soil when they --

Back

Die and Decay

Front

Identify the item that is not a plant remain: Dead leaves, Dried twigs, Sand Particles, Seed covers.

Back

Sand Particles

Front

What is the major component of soil?

Back

Weathered rocks

Front

The weathering of rocks into small pieces forms what natural resource?

Back

Soil

Front

What causes rocks near the ocean to break into smaller pieces?

Back

Water crashing against the rocks

Front

Rock is broken into smaller and smaller pieces over time by all of the following EXCEPT: Flowing water, Blowing wind, Cooling sand, Moving Ice

Back

Cooling sand

Front

A student made a mixture of sand, tiny rocks, small twigs, and some leaves. This student has modeled -

Back

the formation of soil